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Finding the Fourth Proportional to 520,655.16, 718,245.18 and 350,594.04

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Solution

The fourth proportional to 520,655.16, 718,245.18 and 350,594.04 is: 483,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,655.16 : 718,245.18 = 350,594.04 : x
  2. Step 2: Convert to fraction form
    520,655.16/718,245.18 = 350,594.04/x
  3. Step 3: Cross multiply
    520,655.16x = 718,245.18 × 350,594.04
  4. Step 4: Simplify right side
    520,655.16x = 251,812,479,366.73
  5. Step 5: Solve for x
    x = 251,812,479,366.73/520,655.16
  6. Step 6: Final answer
    x = 483,645.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.